[Clinical observation of microfilled sealant for first molars in children].
D002648:Child; D003731:Dental Caries / Q000517:prevention & control*; D005500:Follow-Up Studies; D006801:Humans; D008963:Molar; D010895:Pit and Fissure Sealants / Q000627:therapeutic use*
D010895:Pit and Fissure Sealants